Mass air flow sensor



FIG. 1 is a side view of the present invention;

FIG. 2 is a side perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a side view of the present invention; and,

FIG. 5 is a bottom view of the present invention thereof. 

The ornamental design for a mass air flow sensor, as shown. 